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Description

This creature lived during Late Cretraceous where one day North America will be.

The Dromonyx americanus (“American running claw”) was a medium sized therizinosaur (up to 2,5m tall) that inhabited open woodlands in small loose groups.

These feathered herbivores presented a different nesting behavior than most of others therizinosaurs, with the male protecting the nest just until the eggs hatch, then leaving the chicks to grow by themselves.

The young Dromonyx had a remarkably different morphology, with long and muscular legs and slender bodies they were fast runners that at first look would remind a dromaeosaur or ornithomimosaur. While growing, the juveniles would slowly becoming bulkier and heavier, turning into the shape of a classic therizinosaur.

While not the usual ontogeny from others species from the clade, these adaptations granted that adults and juveniles did not compete for the same resources.

Description

This creature lived during Late Cretraceous where one day North America will be.

The Dromonyx americanus (“American running claw”) was a medium sized therizinosaur (up to 2,5m tall) that inhabited open woodlands in small loose groups.

These feathered herbivores presented a different nesting behavior than most of others therizinosaurs, with the male protecting the nest just until the eggs hatch, then leaving the chicks to grow by themselves.

The young Dromonyx had a remarkably different morphology, with long and muscular legs and slender bodies they were fast runners that at first look would remind a dromaeosaur or ornithomimosaur. While growing, the juveniles would slowly becoming bulkier and heavier, turning into the shape of a classic therizinosaur.

While not the usual ontogeny from others species from the clade, these adaptations granted that adults and juveniles did not compete for the same resources.